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When to Plant Cranberries in Pulaski County, KY

Cranberries are low-growing, vine-like shrubs that produce tart red berries in fall. They grow in acidic, boggy conditions and are surprisingly easy to cultivate.

Pulaski County, Kentucky is in USDA Zone 6b. The average last spring frost is April 18 and the first fall frost is October 22, giving you a growing season of approximately 187 days.

At an elevation of 3,004 feet, Pulaski County receives approximately 54.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88ยฐF, providing good warmth for Cranberries during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cranberries root diseases.

Pulaski County, KY (Zone 6b) Moderate season
187 days
Last Spring Frost April 18
187 growing days
First Fall Frost October 22

Pulaski County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season
Transplant: May 2
Recommended (50%) ✓ Fits season
Transplant: May 9
Safe Start (90%) ✓ Fits season
Transplant: May 25

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Pulaski County

How your county's soil matches Cranberries's growing requirements.

Soil pH

Your soil pH (5.7โ€“7.1) is more alkaline than Cranberries prefers (4.0โ€“5.5). Add sulfur or peat moss to lower pH.

Soil Texture

The silt loam soil in Pulaski County is excellent for Cranberries โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.5%). Annual compost additions will help Cranberries.

How to Plant Cranberries

36"
Between Plants
48"
Between Rows

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
1.2″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 444 gal / 100 sq ft

Monthly Watering Guide for Cranberries

Cranberries needs approximately 1.5 inches of water per week (6.5" per month). Here's how your county's rainfall compares month by month.

Month Cranberries Needs Rainfall You Supplement Action
Jan โ€” 5.2" 0" โ„๏ธ Dormant
Feb โ€” 4.2" 0" โ„๏ธ Dormant
Mar โ€” 5.5" 0" โ„๏ธ Dormant
Apr 6.5" 3.9" 2.6" ๐Ÿ’ง Light watering
May 6.5" 4.2" 2.3" ๐Ÿ’ง Light watering
Jun 6.5" 5.9" 0.6" ๐Ÿ’ง Light watering
Jul 6.5" 5.5" 1" ๐Ÿ’ง Light watering
Aug 6.5" 5.2" 1.3" ๐Ÿ’ง Light watering
Sep 6.5" 3.9" 2.6" ๐Ÿ’ง Light watering
Oct 6.5" 3.2" 3.3" ๐Ÿšฟ Regular watering
Nov โ€” 4.2" 0" โ„๏ธ Dormant
Dec โ€” 4" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Aprโ€“Oct in Pulaski County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Cranberries Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" โ€” every day above 50ยฐF deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Cranberries needs ~14,600 GDD — county provides 2,992 GDD May not mature

Cranberries Planting Timeline โ€” Pulaski County, KY

Cranberries Planting Calendar

Activity When Date Range
Transplant Outdoors May 9 May 9 โ€“ May 23

ยท 36" apart ยท Rows 48" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May Transplant Outdoors
June โ€”
July โ€”
August โ€”
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

1.5"/week ยท Only during dry spells

๐Ÿ“… Days to Maturity

730โ€“1095 days

๐Ÿงช Soil pH

Needs 4โ€“5.5 ยท Your soil: too_alkaline

๐Ÿ—บ๏ธ USDA Zone

Zone 6b

๐Ÿ“† Growing Season

187 days in Pulaski County

Growing Tips for Cranberries in Pulaski County

Direct sow Cranberries outdoors after April 18 in Pulaski County when soil has warmed and frost danger has passed.

Your 187.0-day growing season in Pulaski County is tight for Cranberries (730.0-1095.0 days to maturity). Start indoors and choose early-maturing varieties.

General growing tips

Create an acidic, consistently moist bed with peat moss. Cranberries do not need to be flooded to grow; flooding is only used for commercial harvesting. Mulch with sand in early spring.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cranberries in Pulaski County, KY?

Pulaski County is in Zone 6b with an average last frost of April 18. Plan your Cranberries planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Pulaski County, KY?

Pulaski County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 18 and first fall frost is October 22.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Pulaski County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Pulaski County, KY. Local conditions may vary. Last updated: April 2026.